বুধবার, ২৩ অক্টোবর, ২০১৩

An Exhaustive Survey From Columbus To Nemesis In 'Roth Unbound'



Roth Unbound, Claudia Roth Pierpont's aptly titled study of Philip Roth's evolution as a writer, unleashes a slew of memories — including my eye-opening first encounter with Portnoy's Complaint as a naive 14-year-old. It also stokes a strong desire to re-read his books, which I suspect will be the case for many.


About that early memory: My father was an avid fan, who connected with Roth's exuberant, subversive take on sex and what it meant to be both a secular Jew and an American in the years following WorId War II. And because I read pretty much whatever I found lying around our home, I wrote a report on his groundbreaking fourth book in my ninth grade reading journal. While most readers were shocked by Portnoy's outrageous, unquenchable lust, what bowled me over was the realization that my overbearing Brooklyn grandmother wasn't unique: Roth had captured her right down to her name, Sophie! (My teacher, no doubt taken aback, commented, "I'd never recommend it to ninth grade readers, but you seem to have seen what's best in it.")


Pierpont, no relation to Roth despite her middle name, became friendly with the writer after he sent her a letter in response to one of her New Yorker articles. In the book's introduction, she acknowledges that she has benefited from his decision to stop writing fiction, which he announced publicly last year: Now "he had time to talk about his work because he wasn't doing it anymore." Her book is sprinkled with tantalizing glimpses of the man, whom she describes as "a brilliant talker ... as funny as you might think from his books," and of his life, including an amusing dinner at his Connecticut home with Mia Farrow. There are also passing mentions of lovers who provided the models for some of his characters. But readers looking for more of the juicy personal stuff will have to wait for a full-scale biography. Roth Unbound is mainly about the books.





A longtime contributor and staff writer for The New Yorker, Claudia Roth Pierpont is the author of Passionate Minds: Women Rewriting the World, a collection of essays on women writers.



Shiva Rouhani/Courtesy of Farrar, Straus and Giroux

All of them. Pierpont tracks Roth's recurrent themes — Jewish identity, manliness, sexual desire, art versus life, the unpredictable savagery of history, illness and mortality – through one book after another, from Goodbye, Columbus in 1959 to Nemesis in 2010. This makes for a dazzling if sometimes exhausting journey. We're relieved when she finally makes it through the entire formidable stack and brings us up to date in a more intimate bonus chapter, "Afterthoughts, Memories, and Discoveries: At It Again."


Despite her personal tie and obvious admiration, Pierpont doesn't mince words in her literary criticism, and her book is better for it. She deems Roth's first novel, Letting Go, "overlong and — toward the end, especially — laborious." His 1998 novel, I Married a Communist (part of his American trilogy, along with American Pastoral and The Human Stain) "does not really work," she writes. "I don't believe there is a book by Roth in which the voices are dimmer or less engaging."


On the other hand, The Ghost Writer, published in 1979, elicits her highest praise: "Like The Great Gatsby or Willa Cather's The Professor's House, it is one of our literature's rare, inevitably brief, inscrutably musical, and nearly perfect books." Then she probes further: "What had happened to make this possible?"



Pierpont flags Roth's "vocal immediacy," exceptional ear and inventive playfulness, his penchant for Swiftian satire, "hall-of-mirrors intricacy," moral dilemmas, doppelgangers, counterlives and "the rapturous list." She reminds us repeatedly that even the recurring characters who share his biographical details — Nathan Zuckerman, David Kepesh, and "Philip Roth" — are masks, and are not to be mistaken for the author. She keeps her quotes to a minimum, but they include winners like this line from The Counterlife: "Jews are to history what Eskimos are to snow."


Pierpont dutifully — and defensively — addresses the accusations of anti-Semitism and misogyny that have shadowed Roth throughout his career, the latter amplified after the 1996 publication of his second wife Claire Bloom's furious post-divorce memoir, Leaving the Doll's House. "It should be clear by now," she comments, "that Roth, when attacked, prefers to goad rather than retreat: to make mischief, to get adrenaline flowing." It often seems that he's fueled by what Mickey Sabbath, his "deliberately abrasive and insanely funny" misanthropic character in Sabbath's Theater, called the male hormone: "preposterone."


In her enthusiasm, Pierpont occasionally goes over the top with "not since" pronouncements. "It's possible that not since Proust has a writer so nearly captured Time," she writes of Sabbath's Theater. Or, more broadly: "Not since Henry James, it seems to me, has an American novelist worked at such a sustained pitch of concentration and achievement, book after book after book." Which leaves me wondering: What about John Updike and Saul Bellow (both of whose relationships with Roth she considers at length)? Not to mention Joyce Carol Oates and E.L. Doctorow.


That said, Roth Unbound brings heightened understanding to the extraordinary scope and risk-taking brilliance of Roth's work, and makes a compelling case for its enduring importance. In fact, not since I first read Portnoy's Complaint have I been so struck by a writer's willingness to – dare I say it? – expose himself to so much outraged criticism.



Source: http://www.npr.org/2013/10/23/236380848/an-exhaustive-survey-from-columbus-to-nemesis-in-roth-unbound?ft=1&f=1032
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An Exhaustive Survey From Columbus To Nemesis In 'Roth Unbound'



Roth Unbound, Claudia Roth Pierpont's aptly titled study of Philip Roth's evolution as a writer, unleashes a slew of memories — including my eye-opening first encounter with Portnoy's Complaint as a naive 14-year-old. It also stokes a strong desire to re-read his books, which I suspect will be the case for many.


About that early memory: My father was an avid fan, who connected with Roth's exuberant, subversive take on sex and what it meant to be both a secular Jew and an American in the years following WorId War II. And because I read pretty much whatever I found lying around our home, I wrote a report on his groundbreaking fourth book in my ninth grade reading journal. While most readers were shocked by Portnoy's outrageous, unquenchable lust, what bowled me over was the realization that my overbearing Brooklyn grandmother wasn't unique: Roth had captured her right down to her name, Sophie! (My teacher, no doubt taken aback, commented, "I'd never recommend it to ninth grade readers, but you seem to have seen what's best in it.")


Pierpont, no relation to Roth despite her middle name, became friendly with the writer after he sent her a letter in response to one of her New Yorker articles. In the book's introduction, she acknowledges that she has benefited from his decision to stop writing fiction, which he announced publicly last year: Now "he had time to talk about his work because he wasn't doing it anymore." Her book is sprinkled with tantalizing glimpses of the man, whom she describes as "a brilliant talker ... as funny as you might think from his books," and of his life, including an amusing dinner at his Connecticut home with Mia Farrow. There are also passing mentions of lovers who provided the models for some of his characters. But readers looking for more of the juicy personal stuff will have to wait for a full-scale biography. Roth Unbound is mainly about the books.





A longtime contributor and staff writer for The New Yorker, Claudia Roth Pierpont is the author of Passionate Minds: Women Rewriting the World, a collection of essays on women writers.



Shiva Rouhani/Courtesy of Farrar, Straus and Giroux

All of them. Pierpont tracks Roth's recurrent themes — Jewish identity, manliness, sexual desire, art versus life, the unpredictable savagery of history, illness and mortality – through one book after another, from Goodbye, Columbus in 1959 to Nemesis in 2010. This makes for a dazzling if sometimes exhausting journey. We're relieved when she finally makes it through the entire formidable stack and brings us up to date in a more intimate bonus chapter, "Afterthoughts, Memories, and Discoveries: At It Again."


Despite her personal tie and obvious admiration, Pierpont doesn't mince words in her literary criticism, and her book is better for it. She deems Roth's first novel, Letting Go, "overlong and — toward the end, especially — laborious." His 1998 novel, I Married a Communist (part of his American trilogy, along with American Pastoral and The Human Stain) "does not really work," she writes. "I don't believe there is a book by Roth in which the voices are dimmer or less engaging."


On the other hand, The Ghost Writer, published in 1979, elicits her highest praise: "Like The Great Gatsby or Willa Cather's The Professor's House, it is one of our literature's rare, inevitably brief, inscrutably musical, and nearly perfect books." Then she probes further: "What had happened to make this possible?"



Pierpont flags Roth's "vocal immediacy," exceptional ear and inventive playfulness, his penchant for Swiftian satire, "hall-of-mirrors intricacy," moral dilemmas, doppelgangers, counterlives and "the rapturous list." She reminds us repeatedly that even the recurring characters who share his biographical details — Nathan Zuckerman, David Kepesh, and "Philip Roth" — are masks, and are not to be mistaken for the author. She keeps her quotes to a minimum, but they include winners like this line from The Counterlife: "Jews are to history what Eskimos are to snow."


Pierpont dutifully — and defensively — addresses the accusations of anti-Semitism and misogyny that have shadowed Roth throughout his career, the latter amplified after the 1996 publication of his second wife Claire Bloom's furious post-divorce memoir, Leaving the Doll's House. "It should be clear by now," she comments, "that Roth, when attacked, prefers to goad rather than retreat: to make mischief, to get adrenaline flowing." It often seems that he's fueled by what Mickey Sabbath, his "deliberately abrasive and insanely funny" misanthropic character in Sabbath's Theater, called the male hormone: "preposterone."


In her enthusiasm, Pierpont occasionally goes over the top with "not since" pronouncements. "It's possible that not since Proust has a writer so nearly captured Time," she writes of Sabbath's Theater. Or, more broadly: "Not since Henry James, it seems to me, has an American novelist worked at such a sustained pitch of concentration and achievement, book after book after book." Which leaves me wondering: What about John Updike and Saul Bellow (both of whose relationships with Roth she considers at length)? Not to mention Joyce Carol Oates and E.L. Doctorow.


That said, Roth Unbound brings heightened understanding to the extraordinary scope and risk-taking brilliance of Roth's work, and makes a compelling case for its enduring importance. In fact, not since I first read Portnoy's Complaint have I been so struck by a writer's willingness to – dare I say it? – expose himself to so much outraged criticism.



Source: http://www.npr.org/2013/10/23/236380848/an-exhaustive-survey-from-columbus-to-nemesis-in-roth-unbound?ft=1&f=
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Tim Burton Is Reportedly Directing A Sequel To ‘Beetlejuice’



Good News ....... ?





Back in the early days of Tim Burton‘s directing career, he was truly one of my favorite movie-makers in Hollywood. His attention to macabre detail in his dark movies really appealed to me as a young movie fan. In recent years, I haven’t been much of a fan of his work … particularly his work with Johnny Depp (which, I will admit, is Hit or Miss … mostly miss in the past 10 years). Today we learn that Burton has reportedly signed on to make a sequel to his brilliant 1988 film Beetlejuice. Nothing has been officially confirmed but there has been talk around town of a Beetlejuice sequel for years. If this new rumor turns out to be true, then we might actually get a new film from Tim Burton that will remind us all of how amazing he is as a film director.




A sequel to Tim Burton’s Beetlejuice has been in development for awhile. The script for the movie was written by Seth Grahame-Smith, author of the book Abraham Lincoln: Vampire Hunter and the screenplay for Dark Shadows. The last we heard, the project was a top priority for Warner Bros. and Burton. Michael Keaton was even excited about reprising his role! Now according to a source at Schmoes Know, Keaton will return as Beetlejuice and Burton is looking to direct it, which has kind of been the case all along. I always assumed Burton would direct the sequel anyway, and apparently he was even thinking about dropping out of his Miss Peregrine’s Home For Peculiar Children project set up at 20th Century Fox to do it. He shifted his schedule around, though, and is going to end up making both films. I guess the biggest news here is that the movie is still moving forward with the two major players we want involved with the film. I loved Keaton as Beetlejuice, and it will be amazing to see him back in the role! I’m also happy to hear that Burton was willing to make any schedule adjustments he could to bring us this long-awaited sequel.



To be honest, the ONLY way I would be on board for a Beetlejuice sequel would be if both Tim Burton came back as director and Michael Keaton came back as Beetlejuice … and it sounds like this is what may happen. It probably wouldn’t be smart to get too excited until this news is officially confirmed but I’m hopeful that this turns out to be true. I rewatched Beetlejuice recently and was reminded how much I like that movie. With all the new tech available at Burton‘s disposal these days, I can only imagine how amazing a sequel film might turn out. I’ll keep an eye on this bit of goss … I’d love for it to turn out to be true.


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BBM bests 1 million installs in its first day on Android

BBM for Android

We're getting our first look at the popularity of the recently released BBM for Android. Fresh out of the gate, the Google Play listing has placed the app in the 1 million to 5 million category. Those are total installations, and not "current" installs, so you've got to keep those numbers in context. Still. More than 1 million installs — and potentially as many as 5 million (we've got an e-mail in seeking more specific numbers) in a day is nothing to sneeze at.

Additionally, BBM's garnered more than 87,000 star reviews on Google Play — with the vast majority a full five stars.

A pretty big caveat, though — remember that there's a waiting list. So you can install the app, but you might not be able to use it just yet.

It's also worth keeping in mind that BBM doesn't work on nearly 30 percent of existing Android phones. BBM runs on Android 4.x, which as of the beginning of October made up 69 percent of active devices, according to the Android platform versions chart.

But either way, it's pretty damned impressive for BlackBerry — and for what many of us consider a dying platform.

Update: BlackBerry has made it official — more than 10 million installs on iOS and Android. We don't get any more of a breakdown than that, but BBM's already climbing the charts.


    






Source: http://feedproxy.google.com/~r/androidcentral/~3/i2Ve0sYVrEo/story01.htm
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মঙ্গলবার, ২২ অক্টোবর, ২০১৩

Samsung UN46F5500AF


These days, you can get a great HDTV at a great price if you don't need top-end features including 3D. (And who really needs 3D these days?) Samsung's F5500 series is proof of that. There's no 3D support, and the set is decidedly mid level, but it offers an impressive array of connected features and very good picture quality to boot. It doesn't quite beat the 55-inch Vizio M551D-A2R on bang for your buck, but the 46-inch $749.99 (direct) UN46F5500 we tested is an excellent deal.



Design
Looking plain and unassuming without seeming cheap, the F5500 has a flat black bezel with only a Samsung logo on the bottom bezel. The screen sits on a silver plastic four-legged base that lets it pivot left and right. A four-way joystick on the back near the lower-right corner controls the HDTV and lets you navigate the menu system. On the back, two USB and two HDMI ports can be found next to the antenna connection facing the right side of the screen. The remaining HDMI port, Ethernet port (if you don't want to use the HDTV's built-in Wi-Fi), component and composite inputs, and optical audio, mini-jack audio, and infrared blaster outputs face back.




The remote is a simple rectangular wand filled with rectangular buttons, a somewhat frustrating aspect of Samsung remotes without touch pads. The navigation buttons are shaped nearly the same as the surrounding menu buttons, so it's easy to hit Return or Exit when you're navigating menus without looking directly at the remote. The volume and channel rockers are easy to find under your thumb, as is the hexagonal Smart Hub button that brings up the media navigation menu.


Features
While the F5500's physical design is plain, Samsung put a lot of work into its software design and features. The set uses Samsung's Smart Hub menu, which divides content into live TV, movies and TV shows, social features, apps, and local media. The Live TV menu has its own channel guide, and can control your cable or satellite box with the included IR blaster. The Movie and TV show menu offers a selection of on-demand titles you can purchase from Samsung, but you might prefer the apps menu's selection of more standard services like Netflix, Hulu Plus, YouTube, and HBO Go. The Apps menu also features a full Web browser, but navigating the Web and entering text on a standard TV remote is very awkward. The social tab tracks your Facebook and Twitter activity, and the local media tab can load content on connected USB drives, networked DLNA media servers, and media stored through the Samsung Link cloud service.


These content tabs use Samsung's S Recommend feature to refine suggestions for what to watch, keeping track of your viewing habits and adjusting the movies, shows, and channels it displays first to reflect them. If you want it to work with your television, you'll have to set it up to control your cable or satellite box.


Besides the features in the Smart Hub tabs, you can also mirror your smartphone or tablet screen with Miracast, found in the F5500's Network settings menu as Wireless Display. Samsung heavily pushes its AllShare features for sending media from a Samsung smartphone or tablet to the HDTV, and it worked flawlessly in my tests. I had no problem streaming a movie from my Google Nexus 7 tablet. Screen mirroring is more tricky; the screen showed up as a wireless display to the Nexus 7, but it couldn't make a connection. Samsung devices might communicate a little more smoothly through Samsung's AllShare software, but you should be able to use any DLNA-enabled device.


Performance
We test HDTVs with a Klein K10-A colorimeter, SpectraCal's CalMAN 5 diagnostic software, and DisplayMate test patterns with a basic dark room calibration for brightness and contrast. The F5500 gets satisfyingly bright at 316.360 cd/m2, but it doesn't get too dark with a black level of 0.084 cd/m2. The contrast ratio is a solid 3,754:1, but the Editors' Choice Vizio M551D-A2R edges it out with a black level of 0.031 cd/m2 and a contrast ratio of almost double at 7,145:1 even with the Vizio's dimmer (221.492 cd/m2 peak brightness) screen.



As shown in the chart above, colors fare very well out of the box. With the color temperature presets at the warmest setting but no other changes made the F5500 showed nearly spot-on white, blue, and green colors. Red was slightly oversaturated, but not enough to visibly tint the picture. For the most accurate colors, use the Movie mode with color temperature set to Warm2.


I watched Piranha and Ghost Rider: Spirit of Vengeance on the set, and they both looked very good. The murky underwater scenes and bright surface scenes of Piranha were colorful and crisp, and the darker scenes showed deep blacks and strong detail. The rampant fire of Ghost Rider's powers were warm and bright in otherwise very dark scenes, highlighting the screen's strong contrast.


Under typical viewing conditions, the UN46F5500AF consumes 106 watts with all power saving features disabled. At the Low Eco mode setting, the screen darkens the picture noticeably, but keeps it watchable while consuming 66 watts. The Medium Eco setting borders on too dark and requires 47 watts, and the High Eco setting darkens the screen too much to watch.


The Samsung F5500 series of LED HDTVs offers a very good picture and an impressive array of smart services and features. It isn't the darkest panel, and it doesn't offer 3D, but for the price, you get a lot of screen. If you want a bigger picture and similarly strong performance, the Editors' Choice Vizio M551D-A2R offers a solid bump in size for a slightly higher price (compared with the 46-inch model we reviewed), and if you're willing to pay a bit more than that, the 55-inch Panasonic TC-L55ET60 offers excellent performance along with a 3D picture and a more stylish design.


Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/Frq5hUJXANM/0,2817,2425259,00.asp
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Stocks spike, dollar soft after weak US jobs data


LONDON (AP) — Weak U.S. jobs figures shored up stock markets Tuesday but weighed on the dollar, which fell to its lowest level against the euro in nearly two years, as investors concluded that the Federal Reserve may hold off reducing its monetary stimulus until 2014.

The Labor Department reported that 148,000 jobs were created in September, below the consensus in the markets for around 180,000. Following revisions to back data, it means that the U.S. economy added an average of 143,000 jobs a month from July through September, down from 182,000 from April through June.

Though the unemployment rate, which is based on a separate survey, fell 0.1 percentage points to 7.2 percent, its lowest level since 2008, the labor market report suggests the U.S. economy was slowing even before the U.S. government was partially shut down. The September figures were delayed from their traditional release time of the first Friday of the month because of the shutdown.

Following the figures, stock markets added to their gains while the dollar's weakness was sustained as investors think it's now unlikely that the Fed will start reducing its stimulus this year. Until the budget stalemate in Washington, many investors had thought the Fed would already be "tapering" the stimulus.

"From the Fed's standpoint, this morning's report reaffirms their position to hold monthly asset purchases steady at $85 billion a month and essentially takes tapering off the table for October and likely December as well," said Sterne Agee chief economist Lindsey Piegza.

In Europe, the FTSE 100 index of leading British shares rose 0.6 percent to close at 6,695.66 while Germany's DAX rose 0.9 percent to 8,947.46. The CAC-40 in France gained 0.6 percent to 4,295.43, its highest close for 2013.

In the U.S., the Dow Jones industrial average was up 0.4 percent at 15,453.46 while the broader S&P 500 index rose 0.5 percent to 1,753.04.

The dollar was under pressure, particularly against the euro, on the prospect of a longer period of stimulus, which effectively leads to the creation of more dollars. Europe's single currency was up 0.7 percent at $1.3780, its highest level since Nov. 2011.

"A lack of tapering, which to an extent had previously been priced in, leads to further dollar weakness, something that I expect to continue in the coming months," said Craig Erlam, market analyst at Alpari.

The U.S. jobs data were the main focus of attention despite more U.S. earnings statements. Around 30 percent of the companies listed on the S&P are due to release third-quarter numbers this week. Tuesday's results were solid, with Whirlpool, Delta Air Lines and Netflix up sharply after reporting higher earnings.

Earlier in Asia, the mood was subdued, too. Japan's Nikkei 225 stock average closed up 0.1 percent at 14,713.25 and Australia's S&P/ASX 200 added 0.4 percent to 5,373.10. Seoul's Kospi gained 0.2 percent to 2,056.12. Hong Kong's Hang Seng shed 0.5 percent to 23,315.99 and China's Shanghai Composite Index was off 0.8 percent at 2,210.65.

In the oil markets, a barrel of benchmark New York crude was down 58 cents at $98.64. Oil closed below $100 a barrel Monday for the first time since early July as U.S. supplies keep rising and the risks of disruption to Middle East shipments subside.

Source: http://news.yahoo.com/stocks-spike-dollar-soft-weak-us-jobs-data-143220976--finance.html
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Study: Death by moonlight? Not always

Study: Death by moonlight? Not always


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PUBLIC RELEASE DATE:

21-Oct-2013



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Contact: Marie Thoms
methoms@alaska.edu
907-474-7412
University of Alaska Fairbanks






Is moonlight dangerous? It depends on what you are, according to a study published online recently in the Journal of Animal Ecology.


"Ecologists have long viewed the darkness of a moonless night as a protective blanket for nocturnal prey species," said Laura Prugh, a wildlife biologist at the University of Alaska Fairbanks.


In the dark, creatures of the night can go about their business in relative safety from lurking predators. Moonlight, according to this logic, helps predators find their prey and is risky if you are a prey species trying not to get eaten.


That's not always so, says Prugh, a researcher with the UAF Institute of Arctic Biology, and colleague Christopher Golden of Harvard University.


"The theory that moonlight increases predation risk ignores the fact that prey animals also have eyes, and they often use them to detect predators," said Prugh. If moonlight helps predators to find prey, it could also help prey species to detect approaching predators.


To find out if moonlit nights are dangerous, Prugh and Golden compiled the effects of moonlight reported in existing studies of 58 nocturnal mammal species. If moonlight is dangerous for prey species, they expected predators to be more active on moonlit nights and prey species to be less active.




The researchers found that species ranged widely in their affinity for moonlight, from the moon-loving or lunar-philic lemurs of Madagascar to the lunar-phobic kangaroo rats in the southwestern United States. And, responses to moonlight were related to the sensory systems of species rather than their positions in the food chain.


Prey animals that use vision as their main sensory system, such as primates, were generally more active on bright nights. Prey species that rely mainly on senses like smell or echolocation, such as many rodents and bats, were generally less active. And contrary to expectations, predators such as African lions were less active on moonlit nights.


"Moonlight is indeed risky for some prey species, but only those that use vision as a backup system rather than their first line of defense," said Prugh. "Our synthesis shows that moonlight can benefit visually oriented prey." And as for those lurking predators, the moon may often hurt rather than help their chances of catching prey.


This study is the first to examine moonlight effects across a diverse assemblage of species. Nearly half of all mammals are nocturnal, experiencing lunar cycles that cause light levels to change by three orders of magnitude every month.


"Our results suggest that moonlight alters predator-prey relations in more complex ways than previously thought," said Prugh, who added that she hopes this study will stimulate further research.


"Do lunar cycles affect population growth rates? How do artificial lights affect the hunting success and vulnerability of nocturnal species? These are important questions that we do not currently have answers to," Prugh said.


###


ADDITIONAL CONTACTS: Laura Prugh, lprugh@alaska.edu, 907-474-5965, is a wildlife biologist at the Institute of Arctic Biology and Department of Biology and Wildlife at the University of Alaska Fairbanks. Her research focuses on wildlife community ecology.




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Study: Death by moonlight? Not always


[ Back to EurekAlert! ]

PUBLIC RELEASE DATE:

21-Oct-2013



[


| E-mail

]


Share Share

Contact: Marie Thoms
methoms@alaska.edu
907-474-7412
University of Alaska Fairbanks






Is moonlight dangerous? It depends on what you are, according to a study published online recently in the Journal of Animal Ecology.


"Ecologists have long viewed the darkness of a moonless night as a protective blanket for nocturnal prey species," said Laura Prugh, a wildlife biologist at the University of Alaska Fairbanks.


In the dark, creatures of the night can go about their business in relative safety from lurking predators. Moonlight, according to this logic, helps predators find their prey and is risky if you are a prey species trying not to get eaten.


That's not always so, says Prugh, a researcher with the UAF Institute of Arctic Biology, and colleague Christopher Golden of Harvard University.


"The theory that moonlight increases predation risk ignores the fact that prey animals also have eyes, and they often use them to detect predators," said Prugh. If moonlight helps predators to find prey, it could also help prey species to detect approaching predators.


To find out if moonlit nights are dangerous, Prugh and Golden compiled the effects of moonlight reported in existing studies of 58 nocturnal mammal species. If moonlight is dangerous for prey species, they expected predators to be more active on moonlit nights and prey species to be less active.




The researchers found that species ranged widely in their affinity for moonlight, from the moon-loving or lunar-philic lemurs of Madagascar to the lunar-phobic kangaroo rats in the southwestern United States. And, responses to moonlight were related to the sensory systems of species rather than their positions in the food chain.


Prey animals that use vision as their main sensory system, such as primates, were generally more active on bright nights. Prey species that rely mainly on senses like smell or echolocation, such as many rodents and bats, were generally less active. And contrary to expectations, predators such as African lions were less active on moonlit nights.


"Moonlight is indeed risky for some prey species, but only those that use vision as a backup system rather than their first line of defense," said Prugh. "Our synthesis shows that moonlight can benefit visually oriented prey." And as for those lurking predators, the moon may often hurt rather than help their chances of catching prey.


This study is the first to examine moonlight effects across a diverse assemblage of species. Nearly half of all mammals are nocturnal, experiencing lunar cycles that cause light levels to change by three orders of magnitude every month.


"Our results suggest that moonlight alters predator-prey relations in more complex ways than previously thought," said Prugh, who added that she hopes this study will stimulate further research.


"Do lunar cycles affect population growth rates? How do artificial lights affect the hunting success and vulnerability of nocturnal species? These are important questions that we do not currently have answers to," Prugh said.


###


ADDITIONAL CONTACTS: Laura Prugh, lprugh@alaska.edu, 907-474-5965, is a wildlife biologist at the Institute of Arctic Biology and Department of Biology and Wildlife at the University of Alaska Fairbanks. Her research focuses on wildlife community ecology.




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Source: http://www.eurekalert.org/pub_releases/2013-10/uoaf-sdb102113.php
Tags: Supernatural   Cassidy Wolf   The Family   never forget   Pain and Gain